I bought a Ruger SRH w/out rings. What size do I need? I've read that the 30mm rings are preferred but I don't know why. I've seen both "medium" and "high". Anyone know what size are supposed to come with the gun? Thanks!

Scope rings come in one inch and thirty millimeter so you need to know your scope's tube diameter. Your scope's objective lens determines the rings' height. A phone call to Ruger will get you all the answers that you need.

If you use the Ruger 30mm rings . . . the inside distance between them is only 1 7/8", so whatever tube red dot you get . . . The control group will need to be less than 1 7/8" long. The other option is to get the weaver mount unit that fits in your milled in ruger scope mounts. I just put a 30mm red dot on on my SRH. It took some looking to find a red dot tube with the right sized control group . . . but I like the Ruger rings better than the weaver system for strength and durability. I also have a 1" 2x6 scope, and it's easy to switch back and forth between the two, and I didn't have to remove my rear fixed sight, so if anything goes wrong . . . it only takes a couple of seconds to remove the red dot or scope and use the fixed sights.

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